
Carol H. answered 06/22/18
Tutor
4.9
(285)
Masters' Degree in Mathematics with 35 Years of Teaching Experience
customers/minutes: 12/9 = 9/x Cross multiply
12x = 81
x = 6.75 minutes
Mckenzie P.
asked 06/22/18Carol H. answered 06/22/18
Masters' Degree in Mathematics with 35 Years of Teaching Experience
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